The Solyndra collapse and its subsequent Washington investigation have re-ignited the national debate over whether the solar industry should be subsidized by the government, and some state legislators are calling for a re-examination of Arizona’s own solar incentives.

Sen. Frank Antenori filed an exploratory committee for a possible congressional run, saying it would be too late to mount a viable campaign if he waited for U.S. Rep. Gabrielle Giffords to announce her political future.